[11/15] git commit: DRILL-639: Adding status command to DrillBit daemon

[ja...@apache.org]

DRILL-639: Adding status command to DrillBit daemon

Currently we have only start,stop, restart commands for Drillbit
daemon. Adding status command to DrillBit daemon.


Project: http://git-wip-us.apache.org/repos/asf/incubator-drill/repo
Commit: http://git-wip-us.apache.org/repos/asf/incubator-drill/commit/793a00d9
Tree: http://git-wip-us.apache.org/repos/asf/incubator-drill/tree/793a00d9
Diff: http://git-wip-us.apache.org/repos/asf/incubator-drill/diff/793a00d9

Branch: refs/heads/master
Commit: 793a00d96f361762e5e8084f831597ee5cfef578
Parents: 3fb8fb6
Author: Pradeep Chanumolu <pc...@maprtech.com>
Authored: Mon May 5 13:43:31 2014 -0700
Committer: Jacques Nadeau <ja...@apache.org>
Committed: Tue May 6 09:19:58 2014 -0700

----------------------------------------------------------------------
 distribution/src/resources/drillbit.sh | 23 ++++++++++++++++++++---
 1 file changed, 20 insertions(+), 3 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/793a00d9/distribution/src/resources/drillbit.sh
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diff --git a/distribution/src/resources/drillbit.sh b/distribution/src/resources/drillbit.sh
index f5293a6..3bd0126 100755
--- a/distribution/src/resources/drillbit.sh
+++ b/distribution/src/resources/drillbit.sh
@@ -33,7 +33,7 @@
 # Modelled after $HADOOP_HOME/bin/hadoop-daemon.sh
 
 usage="Usage: drillbit.sh [--config <conf-dir>]\
- (start|stop|restart|autorestart)"
+ (start|stop|status|restart|autorestart)"
 
 # if no args specified, show usage
 if [ $# -lt 1 ]; then
@@ -47,7 +47,7 @@ bin=`cd "$bin">/dev/null; pwd`
 . "$bin"/drill-config.sh
 
 # get arguments
-startStop=$1
+startStopStatus=$1
 shift
 
 command=drillbit
@@ -169,7 +169,7 @@ fi
 thiscmd=$0
 args=$@
 
-case $startStop in
+case $startStopStatus in
 
 (start)
     check_before_start
@@ -223,6 +223,23 @@ case $startStop in
     wait_until_done $!
   ;;
 
+(status)
+
+    if [ -f $pid ]; then
+      TARGET_PID=`cat $pid`
+      if kill -0 $TARGET_PID > /dev/null 2>&1; then
+        echo $command is running.
+        exit 0
+      else
+        echo $pid file is present but $command not running.
+        exit 1
+      fi
+    else
+      echo $command not running.
+      exit 2
+    fi
+    ;;
+
 (*)
   echo $usage
   exit 1